Global Patent Index - EP 1928046 B1

EP 1928046 B1 20170104 - Negative active material and rechargeable lithium battery including the same

Title (en)

Negative active material and rechargeable lithium battery including the same

Title (de)

Negatives Aktivmaterial und wiederaufladbare Lithiumbatterie damit

Title (fr)

Matériau actif négatif et batterie au lithium rechargeable l'incorporant

Publication

EP 1928046 B1 20170104 (EN)

Application

EP 07121570 A 20071126

Priority

KR 20060117967 A 20061127

Abstract (en)

[origin: EP1928046A1] A negative active material for a rechargeable lithium battery includes Si active particles, and a 3-component to 7-component metal matrix that surrounds the active fine particles without reacting therewith. The negative active material shows high capacity and improved cycle-life characteristics.

IPC 8 full level

H01M 4/134 (2010.01); H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/58 (2010.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01); H01M 10/0566 (2010.01)

CPC (source: EP KR US)

H01M 4/134 (2013.01 - EP US); H01M 4/36 (2013.01 - KR); H01M 4/362 (2013.01 - EP US); H01M 4/38 (2013.01 - EP KR US); H01M 4/386 (2013.01 - EP US); H01M 4/58 (2013.01 - EP US); H01M 10/02 (2013.01 - KR); H01M 10/0525 (2013.01 - EP US); H01M 2004/021 (2013.01 - EP US); H01M 2004/027 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 1928046 A1 20080604; EP 1928046 B1 20170104; CN 101192667 A 20080604; CN 101192667 B 20101229; JP 2008135364 A 20080612; JP 4855346 B2 20120118; KR 100814816 B1 20080320; US 2008145759 A1 20080619; US 8574764 B2 20131105

DOCDB simple family (application)

EP 07121570 A 20071126; CN 200710193475 A 20071127; JP 2007164317 A 20070621; KR 20060117967 A 20061127; US 98713507 A 20071127